ColdFire: Add M54451EVB platform support for MCF5445x

Signed-off-by: TsiChung Liew <Tsi-Chung.Liew@freescale.com>

10 files changed, 1153 insertions, 2 deletions

diff --git a/MAKEALL b/MAKEALL
index 8788210..ad68152 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -702,6 +702,7 @@ LIST_coldfire="			\
 	M5282EVB		\
 	M5329AFEE		\
 	M5373EVB		\
+	M54451EVB		\
 	M54455EVB		\
 	M5475AFE		\
 	M5485AFE		\
diff --git a/Makefile b/Makefile
index 7d8b2ba..cde0932 100644
--- a/Makefile
+++ b/Makefile
@@ -1907,6 +1907,30 @@ M5373EVB_config :	unconfig
 	fi
 	@$(MKCONFIG) -a M5373EVB m68k mcf532x m5373evb freescale
 
+M54451EVB_config \
+M54451EVB_spansion_config \
+M54451EVB_stmicro_config :	unconfig
+	@case "$@" in \
+	M54451EVB_config)		FLASH=SPANSION;; \
+	M54451EVB_spansion_config)	FLASH=SPANSION;; \
+	M54451EVB_stmicro_config)	FLASH=STMICRO;; \
+	esac; \
+	if [ "$${FLASH}" = "SPANSION" ] ; then \
+		echo "#define CFG_SPANSION_BOOT"	>> $(obj)include/config.h ; \
+		echo "TEXT_BASE = 0x00000000" > $(obj)board/freescale/m54451evb/config.tmp ; \
+		cp $(obj)board/freescale/m54451evb/u-boot.spa $(obj)board/freescale/m54451evb/u-boot.lds ; \
+		$(XECHO) "... with SPANSION boot..." ; \
+	fi; \
+	if [ "$${FLASH}" = "STMICRO" ] ; then \
+		echo "#define CONFIG_CF_SBF"	>> $(obj)include/config.h ; \
+		echo "#define CFG_STMICRO_BOOT"	>> $(obj)include/config.h ; \
+		echo "TEXT_BASE = 0x47E00000" > $(obj)board/freescale/m54451evb/config.tmp ; \
+		cp $(obj)board/freescale/m54451evb/u-boot.stm $(obj)board/freescale/m54451evb/u-boot.lds ; \
+		$(XECHO) "... with ST Micro boot..." ; \
+	fi; \
+	echo "#define CFG_INPUT_CLKSRC 24000000" >> $(obj)include/config.h ;
+	@$(MKCONFIG) -a M54451EVB m68k mcf5445x m54451evb freescale
+
 M54455EVB_config \
 M54455EVB_atmel_config \
 M54455EVB_intel_config \
diff --git a/board/freescale/m54451evb/Makefile b/board/freescale/m54451evb/Makefile
new file mode 100644
index 0000000..74c2528
--- /dev/null
+++ b/board/freescale/m54451evb/Makefile
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	= $(BOARD).o mii.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/freescale/m54451evb/config.mk b/board/freescale/m54451evb/config.mk
new file mode 100644
index 0000000..b42fcc9
--- /dev/null
+++ b/board/freescale/m54451evb/config.mk
@@ -0,0 +1,27 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.com>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE)
diff --git a/board/freescale/m54451evb/m54451evb.c b/board/freescale/m54451evb/m54451evb.c
new file mode 100644
index 0000000..5b33a83
--- /dev/null
+++ b/board/freescale/m54451evb/m54451evb.c
@@ -0,0 +1,108 @@
+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <spi.h>
+#include <asm/immap.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	/*
+	 * need to to:
+	 * Check serial flash size. if 2mb evb, else 8mb demo
+	 */
+	puts("Board: ");
+	puts("Freescale M54451 EVB\n");
+	return 0;
+};
+
+phys_size_t initdram(int board_type)
+{
+	u32 dramsize;
+#ifdef CONFIG_CF_SBF
+	/*
+	 * Serial Boot: The dram is already initialized in start.S
+	 * only require to return DRAM size
+	 */
+	dramsize = CFG_SDRAM_SIZE * 0x100000 >> 1;
+#else
+	volatile sdramc_t *sdram = (volatile sdramc_t *)(MMAP_SDRAM);
+	volatile gpio_t *gpio = (volatile gpio_t *)(MMAP_GPIO);
+	u32 i;
+
+	dramsize = CFG_SDRAM_SIZE * 0x100000;
+
+	if ((sdram->sdcfg1 == CFG_SDRAM_CFG1) &&
+	    (sdram->sdcfg2 == CFG_SDRAM_CFG2))
+		return dramsize;
+
+	for (i = 0x13; i < 0x20; i++) {
+		if (dramsize == (1 << i))
+			break;
+	}
+	i--;
+
+	gpio->mscr_sdram = 0x44;
+
+	sdram->sdcs0 = (CFG_SDRAM_BASE | i);
+
+	sdram->sdcfg1 = CFG_SDRAM_CFG1;
+	sdram->sdcfg2 = CFG_SDRAM_CFG2;
+
+	udelay(200);
+
+	/* Issue PALL */
+	sdram->sdcr = CFG_SDRAM_CTRL | 2;
+	__asm__("nop");
+
+	/* Perform two refresh cycles */
+	sdram->sdcr = CFG_SDRAM_CTRL | 4;
+	__asm__("nop");
+	sdram->sdcr = CFG_SDRAM_CTRL | 4;
+	__asm__("nop");
+
+	/* Issue LEMR */
+	sdram->sdmr = CFG_SDRAM_MODE;
+	__asm__("nop");
+	sdram->sdmr = CFG_SDRAM_EMOD;
+	__asm__("nop");
+
+	sdram->sdcr = (CFG_SDRAM_CTRL & ~0x80000000) | 0x10000000;
+
+	udelay(100);
+#endif
+	return (dramsize);
+};
+
+int testdram(void)
+{
+	/* TODO: XXX XXX XXX */
+	printf("DRAM test not implemented!\n");
+
+	return (0);
+}
diff --git a/board/freescale/m54451evb/mii.c b/board/freescale/m54451evb/mii.c
new file mode 100644
index 0000000..5a4330c
--- /dev/null
+++ b/board/freescale/m54451evb/mii.c
@@ -0,0 +1,303 @@
+/*
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/fec.h>
+#include <asm/immap.h>
+
+#include <config.h>
+#include <net.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI)
+#undef MII_DEBUG
+#undef ET_DEBUG
+
+int fecpin_setclear(struct eth_device *dev, int setclear)
+{
+	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+	struct fec_info_s *info = (struct fec_info_s *)dev->priv;
+
+	if (setclear) {
+		gpio->par_feci2c |=
+		    (GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0);
+
+		if (info->iobase == CFG_FEC0_IOBASE)
+			gpio->par_fec |= GPIO_PAR_FEC_FEC0_RMII_GPIO;
+		else
+			gpio->par_fec |= GPIO_PAR_FEC_FEC1_RMII_ATA;
+	} else {
+		gpio->par_feci2c &=
+		    ~(GPIO_PAR_FECI2C_MDC0_MDC0 | GPIO_PAR_FECI2C_MDIO0_MDIO0);
+
+		if (info->iobase == CFG_FEC0_IOBASE)
+			gpio->par_fec &= GPIO_PAR_FEC_FEC0_MASK;
+		else
+			gpio->par_fec &= GPIO_PAR_FEC_FEC1_MASK;
+	}
+	return 0;
+}
+
+#if defined(CFG_DISCOVER_PHY) || defined(CONFIG_CMD_MII)
+#include <miiphy.h>
+
+/* Make MII read/write commands for the FEC. */
+#define mk_mii_read(ADDR, REG)	(0x60020000 | ((ADDR << 23) | (REG & 0x1f) << 18))
+
+#define mk_mii_write(ADDR, REG, VAL)	(0x50020000 | ((ADDR << 23) | (REG & 0x1f) << 18) | (VAL & 0xffff))
+
+/* PHY identification */
+#define PHY_ID_KSZ8041NL	0x00221512
+#define STR_ID_KSZ8041NL	"KSZ8041NL"
+
+/****************************************************************************
+ * mii_init -- Initialize the MII for MII command without ethernet
+ * This function is a subset of eth_init
+ ****************************************************************************
+ */
+void mii_reset(struct fec_info_s *info)
+{
+	volatile fec_t *fecp = (fec_t *) (info->miibase);
+	struct eth_device *dev;
+	int i, miispd;
+	u16 rst = 0;
+
+	dev = eth_get_dev();
+
+	miispd = (gd->bus_clk / 1000000) / 5;
+	fecp->mscr = miispd << 1;
+
+	miiphy_write(dev->name, info->phy_addr, PHY_BMCR, PHY_BMCR_RESET);
+	for (i = 0; i < FEC_RESET_DELAY; ++i) {
+		udelay(500);
+		miiphy_read(dev->name, info->phy_addr, PHY_BMCR, &rst);
+		if ((rst & PHY_BMCR_RESET) == 0)
+			break;
+	}
+	if (i == FEC_RESET_DELAY)
+		printf("Mii reset timeout %d\n", i);
+}
+
+/* send command to phy using mii, wait for result */
+uint mii_send(uint mii_cmd)
+{
+	struct fec_info_s *info;
+	struct eth_device *dev;
+	volatile fec_t *ep;
+	uint mii_reply;
+	int j = 0;
+
+	/* retrieve from register structure */
+	dev = eth_get_dev();
+	info = dev->priv;
+
+	ep = (fec_t *) info->miibase;
+
+	ep->mmfr = mii_cmd;	/* command to phy */
+
+	/* wait for mii complete */
+	while (!(ep->eir & FEC_EIR_MII) && (j < MCFFEC_TOUT_LOOP)) {
+		udelay(1);
+		j++;
+	}
+	if (j >= MCFFEC_TOUT_LOOP) {
+		printf("MII not complete\n");
+		return -1;
+	}
+
+	mii_reply = ep->mmfr;	/* result from phy */
+	ep->eir = FEC_EIR_MII;	/* clear MII complete */
+#ifdef ET_DEBUG
+	printf("%s[%d] %s: sent=0x%8.8x, reply=0x%8.8x\n",
+	       __FILE__, __LINE__, __FUNCTION__, mii_cmd, mii_reply);
+#endif
+
+	return (mii_reply & 0xffff);	/* data read from phy */
+}
+#endif				/* CFG_DISCOVER_PHY || (CONFIG_MII) */
+
+#if defined(CFG_DISCOVER_PHY)
+int mii_discover_phy(struct eth_device *dev)
+{
+#define MAX_PHY_PASSES 11
+	struct fec_info_s *info = dev->priv;
+	int phyaddr, pass;
+	uint phyno, phytype;
+
+	if (info->phyname_init)
+		return info->phy_addr;
+
+	phyaddr = -1;		/* didn't find a PHY yet */
+	for (pass = 1; pass <= MAX_PHY_PASSES && phyaddr < 0; ++pass) {
+		if (pass > 1) {
+			/* PHY may need more time to recover from reset.
+			 * The LXT970 needs 50ms typical, no maximum is
+			 * specified, so wait 10ms before try again.
+			 * With 11 passes this gives it 100ms to wake up.
+			 */
+			udelay(10000);	/* wait 10ms */
+		}
+
+		for (phyno = 0; phyno < 32 && phyaddr < 0; ++phyno) {
+
+			phytype = mii_send(mk_mii_read(phyno, PHY_PHYIDR1));
+#ifdef ET_DEBUG
+			printf("PHY type 0x%x pass %d type\n", phytype, pass);
+#endif
+			if (phytype != 0xffff) {
+				phyaddr = phyno;
+				phytype <<= 16;
+				phytype |=
+				    mii_send(mk_mii_read(phyno, PHY_PHYIDR2));
+
+				switch (phytype & 0xffffffff) {
+				case PHY_ID_KSZ8041NL:
+					strcpy(info->phy_name,
+					       STR_ID_KSZ8041NL);
+					info->phyname_init = 1;
+					break;
+				default:
+					strcpy(info->phy_name, "unknown");
+					info->phyname_init = 1;
+					break;
+				}
+
+#ifdef ET_DEBUG
+				printf("PHY @ 0x%x pass %d type ", phyno, pass);
+				switch (phytype & 0xffffffff) {
+				case PHY_ID_KSZ8041NL:
+					printf(STR_ID_KSZ8041NL);
+					break;
+				default:
+					printf("0x%08x\n", phytype);
+					break;
+				}
+#endif
+			}
+		}
+	}
+	if (phyaddr < 0)
+		printf("No PHY device found.\n");
+
+	return phyaddr;
+}
+#endif				/* CFG_DISCOVER_PHY */
+
+void mii_init(void) __attribute__ ((weak, alias("__mii_init")));
+
+void __mii_init(void)
+{
+	volatile fec_t *fecp;
+	struct fec_info_s *info;
+	struct eth_device *dev;
+	int miispd = 0, i = 0;
+	u16 autoneg = 0;
+
+	/* retrieve from register structure */
+	dev = eth_get_dev();
+	info = dev->priv;
+
+	fecp = (fec_t *) info->miibase;
+
+	/* We use strictly polling mode only */
+	fecp->eimr = 0;
+
+	/* Clear any pending interrupt */
+	fecp->eir = 0xffffffff;
+
+	/* Set MII speed */
+	miispd = (gd->bus_clk / 1000000) / 5;
+	fecp->mscr = miispd << 1;
+
+	info->phy_addr = mii_discover_phy(dev);
+
+#define AUTONEGLINK		(PHY_BMSR_AUTN_COMP | PHY_BMSR_LS)
+	while (i < MCFFEC_TOUT_LOOP) {
+		autoneg = 0;
+		miiphy_read(dev->name, info->phy_addr, PHY_BMSR, &autoneg);
+		i++;
+
+		if ((autoneg & AUTONEGLINK) == AUTONEGLINK)
+			break;
+
+		udelay(500);
+	}
+	if (i >= MCFFEC_TOUT_LOOP) {
+		printf("Auto Negotiation not complete\n");
+	}
+
+	/* adapt to the half/full speed settings */
+	info->dup_spd = miiphy_duplex(dev->name, info->phy_addr) << 16;
+	info->dup_spd |= miiphy_speed(dev->name, info->phy_addr);
+}
+
+/*****************************************************************************
+ * Read and write a MII PHY register, routines used by MII Utilities
+ *
+ * FIXME: These routines are expected to return 0 on success, but mii_send
+ *	  does _not_ return an error code. Maybe 0xFFFF means error, i.e.
+ *	  no PHY connected...
+ *	  For now always return 0.
+ * FIXME: These routines only work after calling eth_init() at least once!
+ *	  Otherwise they hang in mii_send() !!! Sorry!
+ *****************************************************************************/
+
+int mcffec_miiphy_read(char *devname, unsigned char addr, unsigned char reg,
+		       unsigned short *value)
+{
+	short rdreg;		/* register working value */
+
+#ifdef MII_DEBUG
+	printf("miiphy_read(0x%x) @ 0x%x = ", reg, addr);
+#endif
+	rdreg = mii_send(mk_mii_read(addr, reg));
+
+	*value = rdreg;
+
+#ifdef MII_DEBUG
+	printf("0x%04x\n", *value);
+#endif
+
+	return 0;
+}
+
+int mcffec_miiphy_write(char *devname, unsigned char addr, unsigned char reg,
+			unsigned short value)
+{
+	short rdreg;		/* register working value */
+
+#ifdef MII_DEBUG
+	printf("miiphy_write(0x%x) @ 0x%x = ", reg, addr);
+#endif
+
+	rdreg = mii_send(mk_mii_write(addr, reg, value));
+
+#ifdef MII_DEBUG
+	printf("0x%04x\n", value);
+#endif
+
+	return 0;
+}
+
+#endif				/* CONFIG_CMD_NET, FEC_ENET & NET_MULTI */
diff --git a/board/freescale/m54451evb/u-boot.spa b/board/freescale/m54451evb/u-boot.spa
new file mode 100644
index 0000000..22c6048
--- /dev/null
+++ b/board/freescale/m54451evb/u-boot.spa
@@ -0,0 +1,143 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_ARCH(m68k)
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  . = + SIZEOF_HEADERS;
+  .interp : { *(.interp) }
+  .hash          : { *(.hash)		}
+  .dynsym        : { *(.dynsym)		}
+  .dynstr        : { *(.dynstr)		}
+  .rel.text      : { *(.rel.text)		}
+  .rela.text     : { *(.rela.text)	}
+  .rel.data      : { *(.rel.data)		}
+  .rela.data     : { *(.rela.data)	}
+  .rel.rodata    : { *(.rel.rodata)	}
+  .rela.rodata   : { *(.rela.rodata)	}
+  .rel.got       : { *(.rel.got)		}
+  .rela.got      : { *(.rela.got)		}
+  .rel.ctors     : { *(.rel.ctors)	}
+  .rela.ctors    : { *(.rela.ctors)	}
+  .rel.dtors     : { *(.rel.dtors)	}
+  .rela.dtors    : { *(.rela.dtors)	}
+  .rel.bss       : { *(.rel.bss)		}
+  .rela.bss      : { *(.rela.bss)		}
+  .rel.plt       : { *(.rel.plt)		}
+  .rela.plt      : { *(.rela.plt)		}
+  .init          : { *(.init)	}
+  .plt : { *(.plt) }
+  .text      :
+  {
+    /* WARNING - the following is hand-optimized to fit within	*/
+    /* the sector layout of our flash chips!	XXX FIXME XXX	*/
+
+    cpu/mcf5445x/start.o		(.text)
+    lib_m68k/traps.o		(.text)
+    lib_m68k/interrupts.o	(.text)
+    common/dlmalloc.o		(.text)
+    lib_generic/zlib.o		(.text)
+
+    . = DEFINED(env_offset) ? env_offset : .;
+    common/environment.o	(.text)
+
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+
+  .reloc   :
+  {
+    __got_start = .;
+    *(.got)
+    __got_end = .;
+    _GOT2_TABLE_ = .;
+    *(.got2)
+    _FIXUP_TABLE_ = .;
+    *(.fixup)
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+  .data    :
+  {
+    *(.data)
+    *(.data1)
+    *(.sdata)
+    *(.sdata2)
+    *(.dynamic)
+    CONSTRUCTORS
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  . = .;
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+
+  . = .;
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(256);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(256);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   _sbss = .;
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+   . = ALIGN(4);
+   _ebss = .;
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/board/freescale/m54451evb/u-boot.stm b/board/freescale/m54451evb/u-boot.stm
new file mode 100644
index 0000000..0752e27
--- /dev/null
+++ b/board/freescale/m54451evb/u-boot.stm
@@ -0,0 +1,149 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_ARCH(m68k)
+/* Do we need any of these for elf?
+   __DYNAMIC = 0;    */
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  . = + SIZEOF_HEADERS;
+  .interp : { *(.interp) }
+  .hash          : { *(.hash)		}
+  .dynsym        : { *(.dynsym)		}
+  .dynstr        : { *(.dynstr)		}
+  .rel.text      : { *(.rel.text)		}
+  .rela.text     : { *(.rela.text) 	}
+  .rel.data      : { *(.rel.data)		}
+  .rela.data     : { *(.rela.data) 	}
+  .rel.rodata    : { *(.rel.rodata) 	}
+  .rela.rodata   : { *(.rela.rodata) 	}
+  .rel.got       : { *(.rel.got)		}
+  .rela.got      : { *(.rela.got)		}
+  .rel.ctors     : { *(.rel.ctors)	}
+  .rela.ctors    : { *(.rela.ctors)	}
+  .rel.dtors     : { *(.rel.dtors)	}
+  .rela.dtors    : { *(.rela.dtors)	}
+  .rel.bss       : { *(.rel.bss)		}
+  .rela.bss      : { *(.rela.bss)		}
+  .rel.plt       : { *(.rel.plt)		}
+  .rela.plt      : { *(.rela.plt)		}
+  .init          : { *(.init)	}
+  .plt : { *(.plt) }
+  .text      :
+  {
+    /* WARNING - the following is hand-optimized to fit within	*/
+    /* the sector layout of our flash chips!	XXX FIXME XXX	*/
+
+    cpu/mcf5445x/start.o		(.text)
+/*    cpu/mcf5445x/cpu_init.o		(.text)
+    cpu/mcf5445x/cpu.o			(.text)
+    cpu/mcf5445x/dspi.o			(.text)
+    cpu/mcf5445x/interrupt.o		(.text)
+    cpu/mcf5445x/speed.o		(.text)
+    lib_m68k/board.o			(.text)
+    common/serial.o			(.text)
+    common/console.o			(.text)
+    lib_generic/display_options.o	(.text)
+    board/freescale/m54455evb/m54455evb.o	(.text)
+
+    . = DEFINED(env_offset) ? env_offset : .;
+    common/environment.o	(.text)
+*/
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+
+  .reloc   :
+  {
+    __got_start = .;
+    *(.got)
+    __got_end = .;
+    _GOT2_TABLE_ = .;
+    *(.got2)
+    _FIXUP_TABLE_ = .;
+    *(.fixup)
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+  .data    :
+  {
+    *(.data)
+    *(.data1)
+    *(.sdata)
+    *(.sdata2)
+    *(.dynamic)
+    CONSTRUCTORS
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  . = .;
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+
+  . = .;
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(256);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(256);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   _sbss = .;
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+   . = ALIGN(4);
+   _ebss = .;
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
diff --git a/include/asm-m68k/immap.h b/include/asm-m68k/immap.h
index f1586d5..b0814f1 100644
--- a/include/asm-m68k/immap.h
+++ b/include/asm-m68k/immap.h
@@ -257,12 +257,14 @@
 #define CFG_NUM_IRQS		(128)
 #endif				/* CONFIG_M5329 && CONFIG_M5373 */
 
-#ifdef CONFIG_M54455
+#if defined(CONFIG_M54451) || defined(CONFIG_M54455)
 #include <asm/immap_5445x.h>
 #include <asm/m5445x.h>
 
 #define CFG_FEC0_IOBASE		(MMAP_FEC0)
+#if defined(CONFIG_M54455EVB)
 #define CFG_FEC1_IOBASE		(MMAP_FEC1)
+#endif
 
 #define CFG_UART_BASE		(MMAP_UART0 + (CFG_UART_PORT * 0x4000))
 
@@ -295,7 +297,7 @@
 #define CFG_PCI_TBATR0		(CFG_MBAR)
 #define CFG_PCI_TBATR5		(CFG_SDRAM_BASE)
 #endif
-#endif				/* CONFIG_M54455 */
+#endif				/* CONFIG_M54451 || CONFIG_M54455 */
 
 #ifdef CONFIG_M547x
 #include <asm/immap_547x_8x.h>
diff --git a/include/configs/M54451EVB.h b/include/configs/M54451EVB.h
new file mode 100644
index 0000000..588c00c
--- /dev/null
+++ b/include/configs/M54451EVB.h
@@ -0,0 +1,350 @@
+/*
+ * Configuation settings for the Freescale MCF54451 EVB board.
+ *
+ * Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * board/config.h - configuration options, board specific
+ */
+
+#ifndef _M54451EVB_H
+#define _M54451EVB_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_MCF5445x		/* define processor family */
+#define CONFIG_M54451		/* define processor type */
+#define CONFIG_M54451EVB	/* M54451EVB board */
+
+#define CONFIG_MCFUART
+#define CFG_UART_PORT		(0)
+#define CONFIG_BAUDRATE		115200
+#define CFG_BAUDRATE_TABLE	{ 9600 , 19200 , 38400 , 57600, 115200 }
+
+#undef CONFIG_WATCHDOG
+
+#define CONFIG_TIMESTAMP	/* Print image info with timestamp */
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+
+/* Command line configuration */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_BOOTD
+#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_DATE
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_ELF
+#define CONFIG_CMD_FLASH
+#define CONFIG_CMD_I2C
+#undef CONFIG_CMD_JFFS2
+#define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_MISC
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_REGINFO
+#define CONFIG_CMD_SPI
+#define CONFIG_CMD_SF
+
+#undef CONFIG_CMD_LOADB
+#undef CONFIG_CMD_LOADS
+
+/* Network configuration */
+#define CONFIG_MCFFEC
+#ifdef CONFIG_MCFFEC
+#	define CONFIG_NET_MULTI		1
+#	define CONFIG_MII		1
+#	define CONFIG_MII_INIT		1
+#	define CFG_DISCOVER_PHY
+#	define CFG_RX_ETH_BUFFER	8
+#	define CFG_FAULT_ECHO_LINK_DOWN
+
+#	define CFG_FEC0_PINMUX	0
+#	define CFG_FEC0_MIIBASE	CFG_FEC0_IOBASE
+#	define MCFFEC_TOUT_LOOP 50000
+
+#	define CONFIG_BOOTDELAY	1	/* autoboot after 5 seconds */
+#	define CONFIG_BOOTARGS		"root=/dev/mtdblock1 rw rootfstype=jffs2 ip=none mtdparts=physmap-flash.0:5M(kernel)ro,-(jffs2)"
+#	define CONFIG_ETHADDR		00:e0:0c:bc:e5:60
+#	define CONFIG_ETHPRIME		"FEC0"
+#	define CONFIG_IPADDR		192.162.1.2
+#	define CONFIG_NETMASK		255.255.255.0
+#	define CONFIG_SERVERIP		192.162.1.1
+#	define CONFIG_GATEWAYIP		192.162.1.1
+#	define CONFIG_OVERWRITE_ETHADDR_ONCE
+
+/* If CFG_DISCOVER_PHY is not defined - hardcoded */
+#	ifndef CFG_DISCOVER_PHY
+#		define FECDUPLEX	FULL
+#		define FECSPEED		_100BASET
+#	else
+#		ifndef CFG_FAULT_ECHO_LINK_DOWN
+#			define CFG_FAULT_ECHO_LINK_DOWN
+#		endif
+#	endif			/* CFG_DISCOVER_PHY */
+#endif
+
+#define CONFIG_HOSTNAME		M54451EVB
+#ifdef CFG_STMICRO_BOOT
+/* ST Micro serial flash */
+#define	CFG_LOAD_ADDR2		0x40010007
+#define CONFIG_EXTRA_ENV_SETTINGS		\
+	"netdev=eth0\0"				\
+	"inpclk=" MK_STR(CFG_INPUT_CLKSRC) "\0"	\
+	"loadaddr=0x40010000\0"			\
+	"sbfhdr=sbfhdr.bin\0"			\
+	"uboot=u-boot.bin\0"			\
+	"load=tftp ${loadaddr} ${sbfhdr};"	\
+	"tftp " MK_STR(CFG_LOAD_ADDR2) " ${uboot} \0"	\
+	"upd=run load; run prog\0"		\
+	"prog=sf probe 0:1 10000 1;"		\
+	"sf erase 0 30000;"			\
+	"sf write ${loadaddr} 0 30000;"		\
+	"save\0"				\
+	""
+#else
+#define CFG_UBOOT_END	0x3FFFF
+#define CONFIG_EXTRA_ENV_SETTINGS		\
+	"netdev=eth0\0"				\
+	"inpclk=" MK_STR(CFG_INPUT_CLKSRC) "\0"	\
+	"loadaddr=40010000\0"			\
+	"u-boot=u-boot.bin\0"			\
+	"load=tftp ${loadaddr) ${u-boot}\0"	\
+	"upd=run load; run prog\0"		\
+	"prog=prot off 0 " MK_STR(CFG_UBOOT_END)\
+	"; era 0 " MK_STR(CFG_UBOOT_END)	\
+	"2ffff;"				\
+	"cp.b ${loadaddr} 0 ${filesize};"	\
+	"save\0"				\
+	""
+#endif
+
+/* Realtime clock */
+#define CONFIG_MCFRTC
+#undef RTC_DEBUG
+#define CFG_RTC_OSCILLATOR	(32 * CFG_HZ)
+
+/* Timer */
+#define CONFIG_MCFTMR
+#undef CONFIG_MCFPIT
+
+/* I2c */
+#define CONFIG_FSL_I2C
+#define CONFIG_HARD_I2C		/* I2C with hardware support */
+#undef	CONFIG_SOFT_I2C		/* I2C bit-banged               */
+#define CFG_I2C_SPEED		80000	/* I2C speed and slave address  */
+#define CFG_I2C_SLAVE		0x7F
+#define CFG_I2C_OFFSET		0x58000
+#define CFG_IMMR		CFG_MBAR
+
+/* DSPI and Serial Flash */
+#define CONFIG_CF_DSPI
+#define CONFIG_SERIAL_FLASH
+#define CONFIG_HARD_SPI
+#define CFG_SER_FLASH_BASE	0x01000000
+#define CFG_SBFHDR_SIZE		0x7
+#ifdef CONFIG_CMD_SPI
+#	define CONFIG_SPI_FLASH
+#	define CONFIG_SPI_FLASH_STMICRO
+
+#	define CFG_DSPI_DCTAR0		(DSPI_DCTAR_TRSZ(7) | \
+					 DSPI_DCTAR_CPOL | \
+					 DSPI_DCTAR_CPHA | \
+					 DSPI_DCTAR_PCSSCK_1CLK | \
+					 DSPI_DCTAR_PASC(0) | \
+					 DSPI_DCTAR_PDT(0) | \
+					 DSPI_DCTAR_CSSCK(0) | \
+					 DSPI_DCTAR_ASC(0) | \
+					 DSPI_DCTAR_PBR(0) | \
+					 DSPI_DCTAR_DT(1) | \
+					 DSPI_DCTAR_BR(1))
+#endif
+
+/* Input, PCI, Flexbus, and VCO */
+#define CONFIG_EXTRA_CLOCK
+
+#define CONFIG_PRAM		2048	/* 2048 KB */
+
+#define CFG_PROMPT		"-> "
+#define CFG_LONGHELP		/* undef to save memory */
+
+#if defined(CONFIG_CMD_KGDB)
+#define CFG_CBSIZE			1024	/* Console I/O Buffer Size */
+#else
+#define CFG_CBSIZE			256	/* Console I/O Buffer Size */
+#endif
+#define CFG_PBSIZE		(CFG_CBSIZE+sizeof(CFG_PROMPT)+16)	/* Print Buffer Size */
+#define CFG_MAXARGS		16	/* max number of command args */
+#define CFG_BARGSIZE		CFG_CBSIZE	/* Boot Argument Buffer Size    */
+
+#define CFG_LOAD_ADDR		(CFG_SDRAM_BASE + 0x10000)
+
+#define CFG_HZ			1000
+
+#define CFG_MBAR		0xFC000000
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ */
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#define CFG_INIT_RAM_ADDR	0x80000000
+#define CFG_INIT_RAM_END	0x8000	/* End of used area in internal SRAM */
+#define CFG_INIT_RAM_CTRL	0x221
+#define CFG_GBL_DATA_SIZE	256	/* size in bytes reserved for initial data */
+#define CFG_GBL_DATA_OFFSET	((CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) - 32)
+#define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
+#define CFG_SBFHDR_DATA_OFFSET	(CFG_INIT_RAM_END - 32)
+
+/*-----------------------------------------------------------------------
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CFG_SDRAM_BASE _must_ start at 0
+ */
+#define CFG_SDRAM_BASE		0x40000000
+#define CFG_SDRAM_SIZE		128	/* SDRAM size in MB */
+#define CFG_SDRAM_CFG1		0x33633F30
+#define CFG_SDRAM_CFG2		0x57670000
+#define CFG_SDRAM_CTRL		0xE20D2C00
+#define CFG_SDRAM_EMOD		0x80810000
+#define CFG_SDRAM_MODE		0x008D0000
+#define CFG_SDRAM_DRV_STRENGTH	0x44
+
+#define CFG_MEMTEST_START	CFG_SDRAM_BASE + 0x400
+#define CFG_MEMTEST_END		((CFG_SDRAM_SIZE - 3) << 20)
+
+#ifdef CONFIG_CF_SBF
+#	define CFG_MONITOR_BASE	(TEXT_BASE + 0x400)
+#else
+#	define CFG_MONITOR_BASE	(CFG_FLASH_BASE + 0x400)
+#endif
+#define CFG_BOOTPARAMS_LEN	64*1024
+#define CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor */
+#define CFG_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc() */
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization ??
+ */
+/* Initial Memory map for Linux */
+#define CFG_BOOTMAPSZ		(CFG_SDRAM_BASE + (CFG_SDRAM_SIZE << 20))
+
+/* Configuration for environment
+ * Environment is embedded in u-boot in the second sector of the flash
+ */
+#if defined(CONFIG_CF_SBF)
+#	define CFG_ENV_IS_IN_SPI_FLASH	1
+#	define CFG_ENV_SPI_CS		1
+#	define CFG_ENV_OFFSET		0x20000
+#	define CFG_ENV_SIZE		0x2000
+#	define CFG_ENV_SECT_SIZE	0x10000
+#else
+#	define CFG_ENV_IS_IN_FLASH	1
+#	define CFG_ENV_ADDR		(CFG_FLASH_BASE + 0x4000)
+#	define CFG_ENV_SECT_SIZE	0x2000
+#endif
+#undef CONFIG_ENV_OVERWRITE
+#undef CFG_ENV_IS_EMBEDDED
+
+/*-----------------------------------------------------------------------
+ * FLASH organization
+ */
+#ifdef CFG_STMICRO_BOOT
+#	define CFG_FLASH_BASE		CFG_SER_FLASH_BASE
+#	define CFG_FLASH0_BASE		CFG_SER_FLASH_BASE
+#	define CFG_FLASH1_BASE		CFG_CS0_BASE
+#endif
+#ifdef CFG_SPANSION_BOOT
+#	define CFG_FLASH_BASE		CFG_CS0_BASE
+#	define CFG_FLASH0_BASE		CFG_CS0_BASE
+#	define CFG_FLASH1_BASE		CFG_SER_FLASH_BASE
+#endif
+
+#define CFG_FLASH_CFI
+#ifdef CFG_FLASH_CFI
+
+#	define CONFIG_FLASH_CFI_DRIVER	1
+#	define CFG_FLASH_SIZE		0x1000000	/* Max size that the board might have */
+#	define CFG_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
+#	define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks */
+#	define CFG_MAX_FLASH_SECT	137	/* max number of sectors on one chip */
+#	define CFG_FLASH_PROTECTION	/* "Real" (hardware) sectors protection */
+#	define CFG_FLASH_CHECKSUM
+#	define CFG_FLASH_BANKS_LIST	{ CFG_CS0_BASE }
+
+#endif
+
+/*
+ * This is setting for JFFS2 support in u-boot.
+ * NOTE: Enable CONFIG_CMD_JFFS2 for JFFS2 support.
+ */
+#ifdef CFG_SPANSION_BOOT
+#	define CONFIG_JFFS2_DEV		"nor0"
+#	define CONFIG_JFFS2_PART_SIZE	0x01000000
+#	define CONFIG_JFFS2_PART_OFFSET	(CFG_FLASH0_BASE + 0x500000)
+#endif
+#ifdef CFG_STMICRO_BOOT
+#	define CONFIG_JFFS2_DEV		"nor0"
+#	define CONFIG_JFFS2_PART_SIZE	0x01000000
+#	define CONFIG_JFFS2_PART_OFFSET	(CFG_FLASH0_BASE + 0x500000)
+#endif
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_CACHELINE_SIZE		16
+
+/*-----------------------------------------------------------------------
+ * Memory bank definitions
+ */
+/*
+ * CS0 - NOR Flash 8MB
+ * CS1 - Available
+ * CS2 - Available
+ * CS3 - Available
+ * CS4 - Available
+ * CS5 - Available
+ */
+
+ /* SPANSION Flash */
+#define CFG_CS0_BASE		0x00000000
+#define CFG_CS0_MASK		0x007F0001
+#define CFG_CS0_CTRL		0x00001180
+
+#define CFG_SPANSION_BASE	CFG_CS0_BASE
+
+#endif				/* _M54451EVB_H */